#5B4FD9#5B4FD9

#5B4FD9 is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 52.2% C 0.203 H 280.6°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#5B4FD9
RGB	rgb(91, 79, 217)
HSL	hsl(245, 64%, 58%)
HSV	hsv(245, 64%, 85%)
CMYK	cmyk(58.1%, 63.6%, 0%, 14.9%)
CIE-LAB	lab(42.50, 43.41, -69.32)
CIE-LCH	lch(42.50, 81.79, 302.06°)
OKLab	oklab(52.25% 0.0375 -0.1994)
OKLCH	oklch(52.25% 0.203 280.6)
XYZ	xyz(19.6308, 12.8245, 67.0731)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B4FD9 #CDD94F

analogous

#4F88D9 #5B4FD9 #A04FD9

triadic

#5B4FD9 #D95B4F #4FD95B

tetradic

#5B4FD9 #D94F88 #CDD94F #4FD9A0

square

#5B4FD9 #D94F88 #CDD94F #4FD9A0

split-complementary

#5B4FD9 #D9A04F #88D94F

monochromatic

#291F8F #372AC1 #5B4FD9 #8A81E4 #B9B4EF

Accessibility & contrast

On white

5.89

#5B4FD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#5B4FD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B4FD9

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B4FD9	#FFFFFF	#000000	##FFFFFF
##5B4FD9	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DD

Deuteranopia (green-blind)

#005FD6

Tritanopia (blue-blind)

#04728D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5b4fd9;
/* rgb */ color: rgb(91, 79, 217);
/* oklch */ color: oklch(52.2% 0.203 280.6);

Tailwind

colors: {
  custom: {
    50: '#9581e6',
    500: '#5b4fd9',
    950: '#000000',
  },
}

SCSS

$custom: #5b4fd9;
$custom-light: #9581e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5b4fd9",
  "rgb": {
    "r": 91,
    "g": 79,
    "b": 217
  },
  "hsl": {
    "h": 245.217,
    "s": 64.486,
    "l": 58.039
  },
  "oklch": {
    "l": 0.52245,
    "c": 0.20288,
    "h": 280.6
  },
  "luminance": 0.12826
}

Semantic roles & 50–950 ramp

primary

#5B4FD9

secondary

#D9DDA6

accent

#E740D9

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5B4FD9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →